{"product_id":"4-90-degree-boot-3-ply-elbow-coupler-silicone-hose-thickness-4-5-mm-9781","title":"4\" 90 Degree Boot 3 Ply Elbow Coupler Silicone Hose Thickness 4.5 mm 9781","description":"\u003ch2\u003e4 Inch 90 Degree Boot 3 Ply Elbow Coupler Silicone Hose for 9781\u003c\/h2\u003e\u003cp\u003eThis 4-inch 90 degree boot 3 ply elbow coupler silicone hose with a 4.5 mm thickness is a durable 4-ply silicone elbow designed for high-performance air intake and turbo systems, referencing cross-number 9781.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 4 inch 90 degree boot is a 3 ply silicone elbow coupler crafted to connect intake piping, intercooler tubing, and turbocharger outlets at a right angle. The 4.5 mm wall thickness and 3 ply construction deliver robust reinforcement against blowouts, making it a reliable upgrade for boosted applications. This 90 degree elbow coupler is built to replace worn or failed OEM rubber hoses with superior heat resistance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3-ply silicone construction for high burst strength and resistance to flex fatigue.\u003c\/li\u003e\n\u003cli\u003e4.5 mm wall thickness provides exceptional durability under high boost pressures.\u003c\/li\u003e\n\u003cli\u003e4-inch inner diameter engineered for a secure fit on standard 4-inch piping.\u003c\/li\u003e\n\u003cli\u003eReinforced with embedded fibers to prevent expansion and improve hose longevity.\u003c\/li\u003e\n\u003cli\u003eHandles temperatures from -60°F to 350°F, suitable for under-hood environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFor turbocharged diesel trucks with 4-inch intake and intercooler piping.\u003c\/li\u003e\n\u003cli\u003eFor performance cars with aftermarket cold air intake systems.\u003c\/li\u003e\n\u003cli\u003eFor tractor-trailer rigs requiring a 90-degree silicone boot connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConnecting a turbocharger outlet to an intercooler inlet pipe.\u003c\/li\u003e\n\u003cli\u003eRouting charge air piping around engine bay obstructions in a 90-degree path.\u003c\/li\u003e\n\u003cli\u003eSplicing together two sections of 4-inch aluminum intake pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAngle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePly Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Ply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this 3 ply elbow fit standard 4-inch silicone couplers? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed to connect to standard 4-inch OD pipes and pairs with regular 4-inch clamps for a secure seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the main benefit of a 4.5 mm wall thickness? \u003cstrong\u003eA:\u003c\/strong\u003e The thicker wall provides increased resistance to vacuum collapse and pressure expansion, ensuring stable boost delivery in demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46611822018746,"sku":"ZZ3F05395","price":61.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_ef7af23e-9ef2-4081-b875-97fbfe45b9e9.jpg?v=1789010989","url":"https:\/\/partoutfitters.com\/products\/4-90-degree-boot-3-ply-elbow-coupler-silicone-hose-thickness-4-5-mm-9781","provider":"Part Outfitters","version":"1.0","type":"link"}